389888918 is an even 9-digits composite number following 389888917
and preceding 389888919 . In scientific notation, it is written as 3.89888918 × 10^8.
The sum of its digits is 62. It has a total of 2 prime factors and 4 positive divisors.
There are 194944458 positive integers (up to 389888918) that are relatively prime to 389888918.
389888918 has 4 divisors, whose sum is 584833380
The reverse of 389888918 is 819888983
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 62
Digital Root 8
Name
three hundred eighty-nine million eight hundred eighty-eight thousand nine hundred eighteen
Scientific notation
3.89888918 × 10^8
Engineering notation
3.89888918 × 10^6
Prime Factorization
2 × 194944459
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
389888918
Product of the distinct prime numbers
The prime factorization of 389888918 is 2 × 194944459.
Since it has a total of 2 prime factors.
3 , 7 , 11 , 58 , 200 , 11 , 9620 , 292 , 53261 , 37892 , 81515 , 163060 , 1621584 , 8410264 , 81776994 , 44615160 , 444716373 , 402068125 , 455233548 , 180734814
n×2
779777836
n×3
1169666754
n×4
1559555672
n×5
1949444590
n÷2
194944459
n÷3
129962972.66667
n÷3
97472229.5
n÷5
77977783.6
n2
152013368379210724
n3
5.9268327718906E+25
n4
2.3108064165994E+34
n5
9.0095781347538E+42
2 √n
19745.605029981
3 √n
730.54498491861
4 √n
140.51905575395
5 √n
52.262259043912
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-389888917
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 389888918 can be divided by 4 positive divisors.
The sum of these divisors (counting 389888918) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001111010011101110010110
3
Ternary
1000011122102001022
4
Quaternary
113033103232112
5
Quinary
1244302421133
6
Senary
102404401142
8
Octal
2717235626
10
Decimal
389888918
12
Duodecimal
aa6a61b2
16
Hexadecimal
173d3b96
20
Vigesimal
61gg25i
36
Base36
6g4o7q
md5
f2c51b88e4c311e8d10e879825b6d39a
sha1
6f0849aec11b6a2198497499a15b02d1b05137ef
sha256
740fe5567a077164f078b5628476226a1ad1c36935e9cee5a990f4b1290d9174
sha512
144a83691feb608a1740a3a010feb0f4e8665396f0bd26d0a7888761cb5e48918f68cb21c041939021b0cd8df8c327c4e9ced5241a5f9a16999ac73b5e5b8b8f
ripemd-160
975696d97791ffc2113bf78fada8962ec21f44ed
Diameter
779777836
Circumference
2449744321.0097
Area
4.7756408134757E+17
Volume
2.4826259060302E+26
Surface area
1.9102563253903E+18
Circumference
2449744321.0097
Perimeter
1559555672
Area
152013368379210724
Diagonal
551386195.65457
Surface area
912080210275264344
Volume
5.9268327718906E+25
Space diagonal
675307415.28406
Perimeter
1169666754
Area
6.5823719365619E+16
Altitude
337653707.64203
Surface area
6.5823719365619E+16
Volume
6.9848394066042E+24
Height
183795398.55152